condition mean min max 2 h after light 0.15737133333333334 0.0 0.944228 6 h after light 0.0 0.0 0.0 10 h after light 0.12896783333333334 0.0 0.773807 14 h after light 0.1093365 0.0 0.656019 18 h after light 0.2837983333333333 0.0 1.70279 2 h after dark 0.0 0.0 0.0